Expand Persistent Volumes
This section describes how to expand the capacity of a Persistent Volume.
Prerequisites
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You should join a project and have the Persistent Volume Claim Management permission within the project. For more information, refer to "Project Members" and "Project Roles".
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Ensure that the system has created a Persistent Volume for the Persistent Volume Claim.
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Ensure that the backend storage system supports volume cloning, and the storage class corresponding to the Persistent Volume Claim has enabled volume cloning.
Steps
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Log in to the KubeSphere web console with a user who has the Persistent Volume Claim Management permission, and access your project.
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Click Storage > Persistent Volume Claims in the left navigation pane.
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Click the name of a Persistent Volume Claim in the list to open its details page.
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In the top-left corner of the details page, select More > Expand.
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In the Expand Volume dialog, set the volume capacity, and then click OK.
Warning -
If the Persistent Volume is already mounted to a workload, expanding the capacity will result in the restart of the workload, causing a interruption in the business.
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Persistent volume capacity can only be increased and cannot be reduced.
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